Home / 36,619.63-54,915.52-12,922.77

Finding the Fourth Proportional to 36,619.63, 54,915.52 and 12,922.77

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Solution

The fourth proportional to 36,619.63, 54,915.52 and 12,922.77 is: 19,379.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,619.63 : 54,915.52 = 12,922.77 : x
  2. Step 2: Convert to fraction form
    36,619.63/54,915.52 = 12,922.77/x
  3. Step 3: Cross multiply
    36,619.63x = 54,915.52 × 12,922.77
  4. Step 4: Simplify right side
    36,619.63x = 709,660,583.54
  5. Step 5: Solve for x
    x = 709,660,583.54/36,619.63
  6. Step 6: Final answer
    x = 19,379.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.